CN109723604B - Wind wheel - Google Patents
Wind wheel Download PDFInfo
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- CN109723604B CN109723604B CN201910159645.2A CN201910159645A CN109723604B CN 109723604 B CN109723604 B CN 109723604B CN 201910159645 A CN201910159645 A CN 201910159645A CN 109723604 B CN109723604 B CN 109723604B
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- wind wheel
- wheel frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a wind wheel, which comprises a wind wheel frame and wind wheel blades, wherein the wind wheel frame comprises a wind wheel frame upper cover and a wind wheel frame lower cover, the axes of the wind wheel frame upper cover and the wind wheel frame lower cover are respectively provided with a first hollow hole and a second hollow hole which respectively correspond to the wind wheel frame upper cover and the wind wheel frame lower cover, mounting pieces are respectively matched with the first hollow hole and the second hollow hole, one side of each mounting piece is recessed to form an arc-shaped part, the two mounting pieces are mounted on the wind wheel frame upper cover and the wind wheel frame lower cover and then are relatively fixed, the arc-shaped parts are utilized to form a fixing area positioned in the wind wheel, a wind wheel shaft is movably fixed in the fixing area, two ends of the wind wheel shaft are conical tips and respectively abut against the two arc-shaped parts, the invention aims to provide a wind wheel, improve the original wind wheel structure, two ends of the wind wheel shaft abut against the mounting pieces and simultaneously arrange two ends of the, the resistance effect that the wind wheel received when using is reduced relatively, improves the use accuracy.
Description
Technical Field
The invention relates to the field of wind wheel measurement, in particular to a wind wheel.
Background
The wind wheel refers to a wind turbine component for converting wind energy into mechanical energy in the fields of electric power science and energy science. Consists of a blade and a hub. When the fluid meets a blocking surface which forms a certain angle with the flow direction, the dynamic pressure of the fluid can form a force which forms a certain angle with the flow direction of the fluid on the blocking surface. When a group of blades forming a certain angle with the flow direction is fixed on a rotating shaft to form a turbine (rotor wing and wind wheel), the turbine obtains a rotating moment and rotates under the action of fluid.
The rotation of the existing wind wheel is influenced by the structure and materials, the rotation is difficult to start under the condition of low wind speed, the wind speed can be started only at high speed, and under the condition of low speed, the measurement cannot be carried out or the measurement accuracy is low, and the other method is to add two bearings in the wind wheel, so that the wind wheel can rotate at low wind speed, but the price of the bearings is too expensive, and medium and small enterprises are difficult to bear the cost.
Therefore, a solution to the above problem is urgently needed.
Disclosure of Invention
The invention aims to provide a wind wheel, which aims to improve the original wind wheel structure, namely, the use of a bearing is saved, two ends of a wind wheel shaft are abutted against an installation part, and meanwhile, two ends of the wind wheel shaft are arranged to be conical, so that the resistance effect received by the wind wheel during application is relatively reduced, the use precision is improved, the low-cost application of the wind wheel is kept, and the measurement precision can be ensured.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a wind wheel, includes wind wheel frame and wind wheel blade, wind wheel frame detachable centre gripping is fixed wind wheel blade, the wind wheel frame includes wind wheel frame upper cover and wind wheel frame lower cover, just the axis department of wind wheel frame upper cover and wind wheel frame lower cover all is provided with rather than the first well mesopore and the second well mesopore that correspond respectively, with first well mesopore and second well equal cooperation in pore are provided with the installed part, the recessed formation arc portion in installed part one side, two the installed part is installed back relatively fixed is gone up to wind wheel frame upper cover and wind wheel frame lower cover, utilizes arc portion to constitute a fixed region who is located the wind wheel, fixed region internalization is fixed with a wind wheel axle, wind wheel axle both ends are the toper pointed end, and support respectively and lean on by two in the arc portion.
Further, the bottom end of the arc-shaped part is concave downwards to form a V-shaped conical groove, the bottom of the V-shaped conical groove is provided with a spherical crown-shaped contact area, and the conical tip of the wind wheel shaft points to the contact area and abuts against the contact area.
Further, first well mesopore periphery has the annular, second well mesopore periphery has the ring piece, wind wheel blade has and is provided with cylindrical wheel hub in, the inside cavity of cylindrical wheel hub and opening down, the opening part has outside step, the annular passes through cylindrical wheel hub installation wind wheel frame upper cover, the embedding of ring piece install in the step wind wheel frame lower cover makes wind wheel frame upper cover and wind wheel frame lower cover clamp hold wind wheel blade is fixed.
Furthermore, a plurality of connecting rods are arranged on the wind wheel frame upper cover and the wind wheel frame lower cover, the annular groove and the peripheral wall of the wind wheel frame upper cover or the annular block and the peripheral wall of the wind wheel frame lower cover are separated and fixedly connected through the connecting rods, and the connecting rods are connected and fixed at intervals in an annular shape at equal angles.
Furthermore, the number of the connecting rods is three, and the adjacent connecting rods are arranged at an angle of 120 degrees.
Furthermore, the mounting part comprises a first fixing part and a second fixing part which are respectively matched with the wind wheel frame upper cover and the wind wheel frame lower cover to mount the wind wheel, a protruding block protruding inwards is arranged on the inner peripheral wall of the annular groove and surrounds the first hollow hole into a regular polygon shape, the side wall of the first fixing part is provided with a tangent plane matched with the first hollow hole, the first fixing part is matched with the section of the first hollow hole, and the section of the second fixing part is matched with the section of the second hollow hole.
Furthermore, a convex ring sleeved on a main shaft of the wind wheel shaft is arranged on the wind wheel shaft, the inner diameter of the convex ring is equal to that of a hollow area of the cylindrical wheel hub, the convex ring is fixed above the wind wheel shaft and close to the wind wheel shaft, a through hole is formed above the cylindrical wheel hub, the wind wheel shaft penetrates through the through hole and abuts against a contact area of the first fixing part, and meanwhile, the convex ring abuts against the inner side above the cylindrical wheel hub.
Furthermore, the wind wheel blade comprises a plurality of blades which are fixed on the periphery of the cylindrical hub at equal angles in an annular shape.
Furthermore, the upper edge of the lower cover of the wind wheel frame is provided with a buckling edge and a buckling groove used in combination with the buckling edge, the lower edge of the upper cover of the wind wheel frame is provided with a buckling claw, and the buckling groove and the buckling claw are correspondingly buckled to enable the lower cover of the wind wheel frame and the upper cover of the wind wheel frame to be relatively connected and fixed.
Further, the wind wheel is made of polyformaldehyde resin materials, and the wind wheel shaft is made of stainless steel.
The wind wheel has the beneficial effects that:
1. according to the invention, two ends of the wind wheel shaft are constructed into conical tips, the mounting part is arranged, the arc part is arranged on the mounting part, when the wind wheel shaft abuts against the arc part, the wind wheel shaft rotates in a completely empty state due to the conical tip structure in a point contact mode, and the resistance during operation is relatively reduced, so that the wind wheel shaft has the precision equivalent to that of the wind wheel with the original bearing design, and the bearing in the wind wheel with the original bearing design is also used for reducing the rotation resistance of the wind wheel shaft.
2. And a V-shaped conical groove is formed at the bottom end of the arc-shaped part and is matched with the conical tip end of the wind wheel shaft, so that the position of the wind wheel shaft is limited, and the problem of dislocation of the running of the wind wheel shaft is effectively solved.
3. And the wind wheel frame upper cover and the wind wheel frame lower cover are fixed by adopting connecting rods, the connecting rods are mutually spaced, and the wind wheel frame is through laterally, so that the blockage of side wind is reduced, and the wind wheel frame has the function of stabilizing the whole structure of the wind wheel frame while playing a role in fixing.
4. The wind wheel is made of hard polyformaldehyde resin materials, is more durable compared with common plastics, and is made of high-hardness materials, so that the conical tip of the wind wheel shaft is sharp enough, and the influence of friction force is reduced better.
5. Compared with the traditional wind wheel, the wind wheel has the advantages of fewer bearings, convenience in assembly and cost saving.
Drawings
FIG. 1 is an exploded view of a wind wheel;
FIG. 2 is a cross-sectional view of a first fastener;
FIG. 3 is a cross-sectional view of a second fastener;
FIG. 4 is a cross-sectional view of a wind turbine blade.
Detailed Description
Wind wheel of the invention is explained with the attached drawings
As shown in fig. 1 to 3, a wind wheel comprises a wind wheel frame and wind wheel blades 1, wherein the wind wheel frame detachably clamps and fixes the wind wheel blades 1, the wind wheel frame comprises a wind wheel frame upper cover 2 and a wind wheel frame lower cover 3, and the axes of the wind wheel frame upper cover 2 and the wind wheel frame lower cover 3 are respectively provided with a first hollow hole 21 and a second hollow hole 31 which respectively correspond to the first hollow hole and the second hollow hole, the installation parts are matched with the first hollow hole 21 and the second hollow hole 31 to form an arc part 10, the two installation parts are installed on the wind wheel frame upper cover 2 and the wind wheel frame lower cover 3 and then are fixed relatively, a fixing area (not shown) positioned in the wind wheel is formed by the arc part 10, a wind wheel shaft 4 is movably fixed in the fixing area (not shown), and two ends of the wind wheel shaft 4 are conical tips 41 and respectively abut against the two arc-shaped parts 10.
After wind wheel axle 4 installed on the wind wheel, the toper pointed end 41 at its both ends supports with the arc portion 10 of two installed parts respectively and leans on, is that the contact of wind wheel axle 4 and installed part is the point contact, at wind wheel axle 4 pivoted in-process, the effect of frictional force has been reduced, the reduction of frictional force, the start threshold value that is equivalent to the wind wheel reduces, make the wind wheel rotate under low wind speed, reduce frictional force for original utilization bearing, the use of bearing has been reduced, save the cost more.
As shown in fig. 2 to 3, in order to define the rotation position of the wind wheel shaft 4, the bottom end of the arc-shaped part 10 is recessed to form a V-shaped conical groove 101, the tapered tip 41 of the wind wheel shaft 4 is placed in the V-shaped conical groove 101, the V-shaped conical groove 101 limits the rotation position of the wind wheel shaft 4, prevents the wind wheel shaft 4 from deviating from the normal rotation position, and affects the measurement accuracy, the bottom of the V-shaped conical groove 101 is provided with a spherical crown-shaped contact area 102, the conical tip 41 of the wind wheel shaft 4 points to the contact area 102, and the contact area 102 is abutted against the contact area, which is equivalent to the lifting of the rotation position of the wind wheel shaft 4, and the spherical-crown-shaped contact area 102 ensures that the conical tip 41 of the wind wheel shaft 4 is always kept in point contact with the mounting part, so that the contact between the inner wall of the V-shaped conical groove 101 and the conical tip 41 is avoided, and the wind wheel shaft 4 generates friction force in the rotation process to influence the measurement precision.
As shown in fig. 1, the annular groove 23 is formed in the periphery of the first hollow hole 21, the annular block 33 is formed in the periphery of the second hollow hole 31, the wind wheel blade 1 is internally provided with the cylindrical hub 12, the cylindrical hub 12 is internally provided with a hollow downward opening, the opening is provided with an outward step 121, the annular groove 23 is used for installing the wind wheel frame upper cover 2 through the cylindrical hub 12, and the annular block 33 is embedded into the step 121 to install the wind wheel frame lower cover 3, so that the wind wheel frame upper cover 2 and the wind wheel frame lower cover 3 clamp the wind wheel blade 1 to be fixed, the application requirement of the invention is met, and a covering and sealing structure can be ensured to be arranged above the wind wheel shaft 12 to serve as a fixed rotating position of the wind wheel shaft 4 when the cylindrical hub 12 is designed.
In order to further reduce the influence of external force on the measurement accuracy, as shown in fig. 1, all be equipped with many connecting rods 9 on wind wheel frame upper cover 2 and wind wheel frame lower cover 3, annular 23 with wind wheel frame upper cover 2 perisporium or ring piece 33 with wind wheel frame lower cover 3 perisporium interval and pass through connecting rod 9 is connected fixedly, and many connecting rod 9 is the annular equal angle connection of interval department and fixes, makes wind wheel frame upper cover 2 and wind wheel frame lower cover 3 are combining the installation back, the annular region that connecting rod 9 is located is penetrating local, reduces blockking of side wind, simultaneously connecting rod 9 is radial arrangement by the axle center of wind wheel frame upper cover 2 and wind wheel frame lower cover 3, utilizes the principle of triangular stability, has the effect of firm wind wheel frame.
The three connecting rods 9 are arranged, the adjacent connecting rods 9 are arranged at an angle of 120 degrees, the connecting rods 9 are arranged in a herringbone structure, materials are saved compared with the connecting rods 9 which are arranged more than three, the fixing effect equivalent to that of the structure is achieved, the connecting rods 9 are arranged at equal angles, and the gravity center or the center of the wind wheel frame upper cover 2 or the wind wheel frame lower cover 3 is kept on the axis.
As shown in fig. 1, the mounting member includes a first fixing member 22 and a second fixing member 32 respectively corresponding to the wind wheel frame upper cover 2 and the wind wheel frame lower cover 3 for mounting the wind wheel, the first fixing member 22 and the second fixing member 32 are used for fixing the wind wheel shaft 4 and the wind wheel blade 1 on the same axis, a protruding block 24 protruding inwards is provided on the inner peripheral wall of the ring groove 23 and surrounds the first hollow hole 21 into a regular polygon shape, the side wall of the first fixing member 22 has a tangent plane 25 matching the first hollow hole 21, the first fixing member 22 is matched with the cross section of the first hollow hole 21, so that the first fixing member 22 is non-rotatable after being mounted in the first hollow hole 21 and serves as an opening side for maintenance of the wind wheel, the cross section shape of the second fixing member 32 is matched with the shape of the second hollow hole 31, the second fixing member 32 is adhered to the edge of the second fixing member 32 by glue after being mounted in the second hollow hole 31, as a preferred embodiment, referring to fig. 1, the second hollow hole 31 and the second fixing member 32 are both cylindrical, so as to prevent the wind wheel shaft 4 from rotating and driving the second fixing member 32 to rotate, which affects the structural stability of the wind wheel, and the second fixing member 32 is permanently fixed, so that the side where the first fixing member 22 is located is an open side or a maintenance side, thereby preventing the two sides of the first fixing member 22 and the second fixing member 32 from being frequently opened and affecting the initial balance position of the wind wheel shaft 4, which causes an error in the subsequent use of the wind wheel.
As shown in fig. 1, a protruding ring sleeved on a main shaft of the wind wheel shaft 4 is arranged on the wind wheel shaft 4, the inner diameter of the protruding ring is equivalent to the inner diameter of a hollow area of the cylindrical hub 12, the position of the wind wheel shaft 4 is further limited, the wind wheel shaft 4 is prevented from shaking during rotation, the protruding ring is fixed close to the upper side of the wind wheel shaft 4, the installation position of the wind wheel shaft 4 is limited through the protruding ring, a through hole 122 is arranged above the cylindrical hub 12, the upper side of the wind wheel shaft 4 penetrates through the through hole 122 and abuts against a contact area 102 located on the first fixing member 22, and meanwhile, the protruding ring abuts against the inner side of the upper side of the cylindrical hub 12, so that the position of the protruding ring is the length of the wind wheel shaft 4 which can extend out of the.
As shown in fig. 1 or fig. 4, the wind wheel blade 1 includes a plurality of fan blades 11, the fan blades 11 are fixed on the periphery of the cylindrical hub 12 at equal angles in an annular shape, so as to meet the design requirement, and the center of gravity and the center of the wind wheel blade 1 are overlapped by the arrangement at equal intervals.
Preferably, the fan blade 11 adopts 7 divisions, and the surface of the fan blade 11 is polished and plasma-treated, etc., so that the surface of the fan blade 11 is kept smooth, and the influence of attachments on the surface of the fan blade 11 on the measurement accuracy of the wind wheel is avoided.
In order to stably fix the wind wheel frame lower cover 3 and the wind wheel frame upper cover 2, as shown in fig. 1, the upper edge of the wind wheel frame lower cover 3 is provided with a buckling edge 34 and a buckling groove 35 used in combination with the buckling edge 34, the lower edge of the wind wheel frame upper cover 2 is provided with a buckling claw (not shown), and the buckling groove 35 and the buckling claw (not shown) are correspondingly buckled to enable the wind wheel frame lower cover 3 and the wind wheel frame upper cover 2 to be relatively connected and fixed.
The wind wheel is made of polyformaldehyde resin materials, is more wear-resistant compared with common plastics, and is prolonged in service life, the wind wheel shaft 4 is made of stainless steel, and the high-quality and high-hardness stainless steel is used for manufacturing the wind wheel shaft 4 so that the stability of the wind wheel during operation is improved.
As a preferred embodiment of the present invention, in the wind wheel of the present invention, during assembly, the first fixing member 22 is first installed in the first hollow hole 21 of the wind wheel frame upper cover 2, and then installed in the wind wheel blade 1, at this time, the wind wheel shaft 4 is already installed in the cylindrical hub 12 of the wind wheel blade 1, the wind wheel blade 1 is rotated, then the wind wheel frame lower cover 3 is installed, and then the wind wheel is rotated, so that the second fixing member 32 freely falls into the second hollow hole 31 of the wind wheel frame lower cover 3, and then the edge of the second fixing member 32 is fixed by bonding with glue, thereby completing installation.
According to the wind wheel, two ends of the wind wheel shaft 4 are constructed into the conical tip 41, the mounting part is arranged, the arc part 10 is arranged on the mounting part, when the wind wheel shaft 4 abuts against the arc part 10, the wind wheel shaft 4 rotates in a completely empty state due to the structure of the conical tip 41 in a point contact mode, and the resistance in the operation process is relatively reduced, so that the wind wheel has the precision equivalent to that of a wind wheel with an original bearing design, and the bearing in the wind wheel with the original bearing design is also used for reducing the rotation resistance of the wind wheel shaft 4; a V-shaped conical groove 101 is formed at the bottom end of the arc-shaped portion 10, the V-shaped conical groove 101 is matched with a conical tip 41 of the wind wheel shaft 4, the position of the wind wheel shaft 4 is limited, and the problem of operation dislocation of the wind wheel shaft 4 is effectively solved, and the conical tip 41 of the wind wheel shaft 4 points to the contact area 102 and abuts against the contact area 102, so that the side surface of the conical tip 41 of the wind wheel shaft 4 is not contacted with the V-shaped conical groove 101, and the influence of friction force generated by contact is avoided while positioning; the wind wheel frame upper cover 2 and the wind wheel frame lower cover 3 are fixed by adopting the connecting rods 9, the connecting rods 9 are mutually spaced, and the wind wheel frame is through laterally, so that the blockage of side wind is reduced, and the wind wheel frame has the function of stabilizing the whole structure of the wind wheel frame while playing a role in fixing; the wind wheel is made of hard polyformaldehyde resin materials, is more durable compared with common plastics, and adopts high-hardness materials to ensure that the conical tip 41 of the wind wheel shaft 4 is sharp enough, so that the influence of friction force is reduced better; compared with the traditional wind wheel, the wind wheel has the advantages of fewer bearings, convenience in assembly and cost saving.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A wind wheel comprises a wind wheel frame and wind wheel blades, wherein the wind wheel frame detachably clamps and fixes the wind wheel blades,
the wind wheel frame comprises a wind wheel frame upper cover and a wind wheel frame lower cover, wherein a first hollow hole and a second hollow hole which correspond to the wind wheel frame upper cover and the wind wheel frame lower cover respectively are formed in the axes of the wind wheel frame upper cover and the wind wheel frame lower cover respectively, mounting pieces are arranged in the first hollow hole and the second hollow hole in a matched mode, one side of each mounting piece is concave downwards to form an arc-shaped part, the two mounting pieces are mounted on the wind wheel frame upper cover and the wind wheel frame lower cover and then are fixed relatively, a fixing area located in a wind wheel is formed by the arc-shaped parts, a wind wheel shaft is movably fixed in the fixing area, two ends of the wind wheel shaft respectively abut against conical tips in the two arc-shaped parts, a convex ring sleeved on the wind wheel shaft is arranged on the wind wheel shaft, a cylindrical hub is arranged in each wind wheel blade, and the inner diameter of the convex ring is equal to;
the wind wheel mounting structure comprises a first hollow hole, a second hollow hole, a mounting piece, a wind wheel frame upper cover, a wind wheel frame lower cover, a protruding block and a supporting piece, wherein an annular groove is formed in the periphery of the first hollow hole, an annular block is formed in the periphery of the second hollow hole, the mounting piece comprises a first fixing piece and a second fixing piece which are correspondingly matched with the wind wheel frame upper cover and the wind wheel frame lower cover to mount a wind wheel, the protruding block protruding inwards is arranged on the inner peripheral wall of the annular groove, the first hollow hole is surrounded into a regular polygon shape, the side wall of the first fixing piece is provided with a tangent plane matched with the first hollow hole, the first fixing piece is matched with the section of the first hollow hole.
2. The wind turbine according to claim 1, wherein the bottom end of the curved portion is recessed to form a V-shaped tapered groove, the bottom of the V-shaped tapered groove has a spherical crown-shaped contact area, and the tapered tip of the wind turbine shaft is directed to and abuts against the contact area.
3. The wind wheel according to claim 1, characterized in that the cylindrical hub has a hollow opening facing downward, the opening has an outward step, the ring groove is used for mounting the wind wheel frame upper cover through the cylindrical hub, and the ring block is embedded into the step for mounting the wind wheel frame lower cover, so that the wind wheel frame upper cover and the wind wheel frame lower cover clamp the wind wheel blade to be fixed.
4. The wind wheel according to claim 3, characterized in that the wind wheel frame upper cover and the wind wheel frame lower cover are both provided with a plurality of connecting rods, the ring groove and the wind wheel frame upper cover peripheral wall or the ring block and the wind wheel frame lower cover peripheral wall are separated and connected and fixed through the connecting rods, and the plurality of connecting rods are connected and fixed at the separated positions in a circular ring shape at equal angles.
5. The wind wheel according to claim 4, wherein there are three of the connecting rods, and adjacent connecting rods are arranged at an angle of 120 °.
6. The wind wheel according to claim 1, characterized in that the protruding ring is fixed near above the wind wheel shaft, a through hole is arranged above the cylindrical hub, the wind wheel shaft passes through the through hole to abut against the contact area of the first fixing piece, and meanwhile, the protruding ring abuts against the inner side above the cylindrical hub.
7. The wind wheel according to claim 6, characterized in that the wind wheel blades comprise a plurality of blades, and the blades are fixed on the outer circumference of the cylindrical hub in an annular shape with equal angles.
8. The wind wheel according to claim 1, characterized in that the upper edge of the lower cover of the wind wheel frame is provided with a buckling edge and a buckling groove used in combination with the buckling edge, the lower edge of the upper cover of the wind wheel frame is provided with a buckling claw, and the buckling groove and the buckling claw are correspondingly buckled to enable the lower cover of the wind wheel frame and the upper cover of the wind wheel frame to be relatively connected and fixed.
9. The wind wheel according to any of claims 1 to 8, characterized in that it is made of polyoxymethylene resin material and the wind wheel shaft is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159645.2A CN109723604B (en) | 2019-03-04 | 2019-03-04 | Wind wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159645.2A CN109723604B (en) | 2019-03-04 | 2019-03-04 | Wind wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723604A CN109723604A (en) | 2019-05-07 |
| CN109723604B true CN109723604B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910159645.2A Active CN109723604B (en) | 2019-03-04 | 2019-03-04 | Wind wheel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563591A (en) * | 2022-02-24 | 2022-05-31 | 江苏纬信工程咨询有限公司 | Novel water flow velocimeter and velocity measurement method |
| CN116733777B (en) * | 2023-08-11 | 2023-12-19 | 山东大华新材料集团有限公司 | Glass fiber reinforced plastic cooling tower fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946596Y (en) * | 2006-09-08 | 2007-09-12 | 陈梅玲 | Constitution structure of fan blade |
| CN203297153U (en) * | 2013-06-13 | 2013-11-20 | 浙江中友电器有限公司 | Exhaust fan impeller |
| CN207842652U (en) * | 2018-01-17 | 2018-09-11 | 贵州苏佳乐电动车有限公司 | A kind of built-in motor driving wheel of electric vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939645A (en) * | 1997-04-17 | 1999-08-17 | Nielsen-Kellerman | Vane anemometer having a modular impeller assembly |
| US6257074B1 (en) * | 1997-04-17 | 2001-07-10 | Nielsen-Kellerman Co. | Vane anemometer with thermally isolated sensors |
| CN2580443Y (en) * | 2002-08-02 | 2003-10-15 | 赵旭东 | Electronic anemobiagraph |
| CN1212519C (en) * | 2003-03-05 | 2005-07-27 | 天津大学 | Separated axle needle type prepeller wind gauge for measuring cylinder vortex |
| CN101487849B (en) * | 2008-12-20 | 2011-11-16 | 奇瑞汽车股份有限公司 | Wind velocity measuring element and method |
| CN201804018U (en) * | 2010-08-24 | 2011-04-20 | 林东昌 | Blading assembly structure for anemometer |
-
2019
- 2019-03-04 CN CN201910159645.2A patent/CN109723604B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946596Y (en) * | 2006-09-08 | 2007-09-12 | 陈梅玲 | Constitution structure of fan blade |
| CN203297153U (en) * | 2013-06-13 | 2013-11-20 | 浙江中友电器有限公司 | Exhaust fan impeller |
| CN207842652U (en) * | 2018-01-17 | 2018-09-11 | 贵州苏佳乐电动车有限公司 | A kind of built-in motor driving wheel of electric vehicle |
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